There's not enough information to say exactly who Kathy is. She could be an ordinary person with an interesting life story, or she might be someone known in a specific community or field.
Chen Kaixi was an assistant director. His representative works included the short film, The Clock That Was Two Minutes Slow. In addition, Chen Kaixi also played a role in the TV series Dear Enemy, played by Chen Yanxi. There was no other information or background information about Chen Kaixi.
Kathy Andrews could be an ordinary person around whom some interesting stories are woven. Maybe she's a character in a local folklore or a self - published collection of stories. Without reading the actual stories, it's difficult to say more about her.
I don't have enough information to say exactly who Cap'n Kathy is. She could be an original character created by the fan fiction writer. Maybe she's a pirate - the 'cap'n' part could suggest that - who has some connection to the wizarding world of Harry Potter.
In 'Home' by Gwendolyn Brooks, the poem often explores themes of belonging and identity. The use of language is very characteristic of Brooks, with vivid imagery that helps the reader picture the concept of 'home' she is trying to convey.
Mr Brooks is purely fictional. It's not drawn from any actual events or people. The story was developed to provide viewers with an exciting and suspenseful cinematic experience.